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Recognised as Colour

#66494F

  • #66494F
  • Red
  • Dark
  • Nearest: Dim grey

#66494F is a red with RGB values 102, 73, 79 and HSL 348°, 17%, 34%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#66494F#66494F
HEX#66494F
RGBrgb(102, 73, 79)
RGB (0–1)0.4, 0.2863, 0.3098
RGB percentages40%, 28.6%, 31%
HSLhsl(347.6, 16.6%, 34.3%)
HSV / HSBhsv(347.6, 28.4%, 40%)
CMYK0%, 28.4%, 22.5%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,703,439
CSS custom property--colour: #66494F;

Brightness & contrast

Relative luminance0.08154WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.98:1
Contrast with white7.98:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#99B6B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D4E4Fno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#54534Eno green cones; the most common form, about 1% of men; ΔE 14.1 from the original
Tritanopia#6B474Bno blue cones; rare, and affects men and women equally; ΔE 3.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.98:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Dim grey · ΔE 16.8Gray · ΔE 23.5Dark slate grey · ΔE 25.8Slate grey · ΔE 26.9Light slate grey · ΔE 29.4Rosy brown · ΔE 30
Nearest named CSS colourDim grey (#696969)ΔE 16.8, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#496660
Analogous#66495E, #665149
Triadic#4F6649, #494F66
Split complementary#496651, #495E66
Tetradic#5E6649, #496660, #514966

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8B3B7
Lighter +30%#B3959B
Lighter +20%#9E777F
Lighter +10%#845E66
Darker −10%#483438
Darker −20%#2B1E21
Darker −30%#0D090A
Darker −40%#000000
More saturated +25%#7C3342
Less saturated −25%#585858

Channel breakdown

R102
G73
B79
Red102 (40%)
Green73 (28.6%)
Blue79 (31%)
Hue347.59°
Saturation (HSL)16.57%
Lightness34.31%
Dominant channelRed
Hex per channelR 66 · G 49 · B 4F

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Every value on this page was computed from “66494f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.